Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Mostly Cloudy

55°F

13°C

Humidity	71%
Wind Speed	SSW 5 MPH
Barometer	30.16 in (1021.34 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	07 Dec 04:35 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Gresham OR

Flood Watch December 8, 04:00am until December 12, 04:00am

Wind Advisory December 8, 07:00am until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

This Afternoon
High: 55 °F
Showers
Likely
Tonight
Low: 50 °F
Chance
Showers then
Showers
Likely
Monday
High: 56 °F
Showers and
Windy
Monday Night
Low: 48 °F
Rain and
Windy
Tuesday
High: 57 °F
Rain
Tuesday Night
Low: 51 °F
Rain and
Breezy
Wednesday
High: 57 °F
Rain and
Breezy
Wednesday Night
Low: 52 °F
Rain
Thursday
High: 58 °F
Rain

Detailed Forecast

This Afternoon

Showers likely. Mostly cloudy, with a high near 55. Southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

Tonight

Showers likely, mainly after 10pm. Mostly cloudy, with a low around 50. South southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Showers before 10am, then rain, mainly after 10am. High near 56. Windy, with a south southwest wind 18 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 48. Windy, with a south southwest wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 57. East wind around 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. Low around 51. Breezy. Chance of precipitation is 100%.

Wednesday

Rain. High near 57. Breezy. Chance of precipitation is 100%.

Wednesday Night

Rain. Cloudy, with a low around 52.

Thursday

Rain, mainly before 4pm. Cloudy, with a high near 58.

Thursday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 50.

Friday

A slight chance of rain. Partly sunny, with a high near 58.